package com.cloudbroker.bcs.platform.dav.middle.service;import java.util.List;import com.cloudbroker.bcs.common.service.base.ServiceBase;import com.cloudbroker.bcs.platform.dav.middle.entity.Answer;import com.cloudbroker.bcs.platform.dav.middle.entityview.AnswerBrokerView;import com.cloudbroker.bcs.platform.dav.middle.entityview.AnswerView;public interface AnswerService extends ServiceBase<Answer, String> {        public List<AnswerView> queryAnswersByQuestionIds(List<Long> questionIds);    public List<AnswerBrokerView> queryByBrokerId(List<Long> brokers);        public Answer queryAnswerByQuestionId(Long questionId);    }